87541531

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1129}}^1$

素因数の和:1219

約数の個数: 32

約数和(自身を含む): 117158400

約数和(自身を除く): 29616869

約数列:

[1, 7, 11, 19, 53, 77, 133, 209, 371, 583, 1007, 1129, 1463, 4081, 7049, 7903, 11077, 12419, 21451, 59837, 77539, 86933, 150157, 235961, 418859, 658207, 1136903, 1651727, 4607449, 7958321, 12505933, 87541531]

約数ペア:

[(1, 87541531), (7, 12505933), (11, 7958321), (19, 4607449), (53, 1651727), (77, 1136903), (133, 658207), (209, 418859), (371, 235961), (583, 150157), (1007, 86933), (1129, 77539), (1463, 59837), (4081, 21451), (7049, 12419), (7903, 11077)]